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Individual
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Priority to ES0070444UpriorityCriticalpatent/ES70444Y/en
Publication of ES70444UpublicationCriticalpatent/ES70444U/en
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Publication of ES70444YpublicationCriticalpatent/ES70444Y/en
Plug, which is essentially characterized by being constituted by a hollow body of an elastic nature and appropriate form for its partial coupling with hermetic adjustment in the neck of the container, which is closed at the top and at a convenient height by means of a membrane or disc , determinative of an insulating inner chamber. (Machine-translation by Google Translate, not legally binding)